On Sat, Jan 14, 2017 at 01:13:03AM -0800, Paul E. McKenney wrote: > This commit switches RCU suspicious-access splats use pr_err() > instead of the current INFO printk()s. This change makes it easier > to automatically classify splats. > > Reported-by: Dmitry Vyukov <dvyu...@google.com> > Signed-off-by: Paul E. McKenney <paul...@linux.vnet.ibm.com> > --- > kernel/locking/lockdep.c | 12 ++++++------ > 1 file changed, 6 insertions(+), 6 deletions(-) > > diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c > index 7c38f8f3d97b..844cd04bb453 100644 > --- a/kernel/locking/lockdep.c > +++ b/kernel/locking/lockdep.c > @@ -4412,13 +4412,13 @@ void lockdep_rcu_suspicious(const char *file, const > int line, const char *s) > #endif /* #ifdef CONFIG_PROVE_RCU_REPEATEDLY */ > /* Note: the following can be executed concurrently, so be careful. */ > printk("\n"); > - printk("===============================\n"); > - printk("[ INFO: suspicious RCU usage. ]\n"); > + pr_err("===============================\n"); > + pr_err("suspicious RCU usage. ]\n"); > print_kernel_ident(); > - printk("-------------------------------\n"); > - printk("%s:%d %s!\n", file, line, s); > - printk("\nother info that might help us debug this:\n\n"); > - printk("\n%srcu_scheduler_active = %d, debug_locks = %d\n", > + pr_err("-------------------------------\n"); > + pr_err("%s:%d %s!\n", file, line, s); > + pr_err("\nother info that might help us debug this:\n\n"); > + pr_err("\n%srcu_scheduler_active = %d, debug_locks = %d\n", > !rcu_lockdep_current_cpu_online() > ? "RCU used illegally from offline CPU!\n" > : !rcu_is_watching()
This makes it inconsistent with the rest of lockdep; why are these more important?